Home / 7,543.73-11,315.55-4,102.85

Finding the Fourth Proportional to 7,543.73, 11,315.55 and 4,102.85

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Solution

The fourth proportional to 7,543.73, 11,315.55 and 4,102.85 is: 6,154.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,543.73 : 11,315.55 = 4,102.85 : x
  2. Step 2: Convert to fraction form
    7,543.73/11,315.55 = 4,102.85/x
  3. Step 3: Cross multiply
    7,543.73x = 11,315.55 × 4,102.85
  4. Step 4: Simplify right side
    7,543.73x = 46,426,047.99
  5. Step 5: Solve for x
    x = 46,426,047.99/7,543.73
  6. Step 6: Final answer
    x = 6,154.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.